Hyundai Sonata LF: Air Conditioning System / Refrigerant Line Components and Components Location

Compressor oil Repair procedures

Oil Specification 1. The R-134a system requires synthetic (ND8) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed...

Refrigerant Line Repair procedures

Replacement 1. If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: General Information

General Troubleshooting Information Before Troubleshooting 1. Check applicable fuses in the appropriate fuse/relay box. 2. Check the battery for damage, state of charge, and clean and tight connections. (Refer to Engine Electrical System - "Battery")     • Do not quick-charge a battery unless the battery ground cable has been disconnected, otherwise you will damage the alternator diodes...

Hyundai Sonata LF 2014-2019 Service Manual: EPB Switch Repair procedures

Removal 1. Turn ignition OFF and disconnect the negative (-) battery cable. 2. Remove the floor console assembly. (Refer to Body - “Floor console assembly") 3. Remove the EPB switch after loosening the screws. 4. Install in the reverse order of removal...